class Solution:
    def goodDaysToRobBank(self, security: List[int], time: int) -> List[int]:
        n = len(security)
        dec = [0] * n  # dec[i] := continuous decreasings before i
        inc = [0] * n  # inc[i] := continuous increasings after i

        for i in range(1, n):
          if security[i - 1] >= security[i]:
            dec[i] = dec[i - 1] + 1

        for i in range(n - 2, -1, -1):
          if security[i] <= security[i + 1]:
            inc[i] = inc[i + 1] + 1

        return [i for i, (a, b) in enumerate(zip(dec, inc))
                if a >= time and b >= time]
        

        

